Solved: The World Health Organization defines obesity in
Chapter , Problem 94E(choose chapter or problem)
The World Health Organization defines obesity in adults as having a body mass index (BMI) higher than 30. Of the 250 men in the study mentioned in Exercise 11-1, 23 are by this
definition obese. How good is waist (size in inches) as a predictor of obesity? A logistic regression model was i t to the data:
\(\log \left(\frac{p}{1-p}\right)=-41.828+0.9864 \text { waist }\)
where p is the probability of being classii ed as obese.
(a) Does the probability of being classii ed as obese increase or decrease as a function of waist size? Explain.
(b) What is the estimated probability of being classified as obese for a man with a waist size of 36 inches?
(c) What is the estimated probability of being classified as obese for a man with a waist size of 42 inches?
(d) What is the estimated probability of being classified as obese for a man with a waist size of 48 inches?
(e) Make a plot of the estimated probability of being classified as obese as a function of waist size.
Equation Transcription:
Text Transcription:
log (p1-p)=-41.828+0.9864 waist
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